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  • Michigan State University Extension
  • Michigan State University Ag Bio Research
  • Project GREEEN

Historical Degree Day Summary for Field Crops from 3/1/2024 to 4/18/2024 (Report issued 4/18/2024 22:50)

Year Degree Days Base 41°F
for Alfalfa		 86-50 Degree Days
for Corn		 Dates evaluated
2024 245 156 Data from 3/1 through 4/18/2024.
Includes forecast data for 4/18.
2023 198 129 Data from 3/1 through 4/18/2023.
Degree day data estimated for: 3/1 - 3/30
2022 102 82 Data from 3/1 through 4/18/2022.
2021 266 181 Data from 3/1 through 4/18/2021.
Degree day data estimated for: 3/23; 3/28
2020 106 77 Data from 3/1 through 4/18/2020.
2019 113 66 Data from 3/1 through 4/18/2019.
Average of 6 years 171.9 115.2 6 years with > 90% of data.
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